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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 579 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.997³ =
  2. 2.96³ =
  3. 3.109³ =
  4. 4.104³ =
  5. 5.980³ =
  6. 6.983³ =
  7. 7.982³ =
  8. 8.985³ =
  9. 9.984³ =
  10. 10.94³ =
  11. 11.1012³ =
  12. 12.1001³ =
  13. 13.96³ =
  14. 14.107³ =
  15. 15.1006³ =
  16. 16.1001³ =
  17. 17.93³ =
  18. 18.986³ =
  19. 19.998³ =
  20. 20.108³ =
  21. 21.986³ =
  22. 22.108³ =
  23. 23.91³ =
  24. 24.990³ =
  25. 25.1010³ =
  26. 26.106³ =
  27. 27.99³ =
  28. 28.99³ =
  29. 29.99³ =
  30. 30.93³ =
  31. 31.988³ =
  32. 32.109³ =
  33. 33.1014³ =
  34. 34.101³ =
  35. 35.1010³ =
  36. 36.996³ =
  37. 37.102³ =
  38. 38.996³ =
  39. 39.108³ =
  40. 40.98³ =

Answer key

  1. 991026973
  2. 884736
  3. 1295029
  4. 1124864
  5. 941192000
  6. 949862087
  7. 946966168
  8. 955671625
  9. 952763904
  10. 830584
  11. 1036433728
  12. 1003003001
  13. 884736
  14. 1225043
  15. 1018108216
  16. 1003003001
  17. 804357
  18. 958585256
  19. 994011992
  20. 1259712
  21. 958585256
  22. 1259712
  23. 753571
  24. 970299000
  25. 1030301000
  26. 1191016
  27. 970299
  28. 970299
  29. 970299
  30. 804357
  31. 964430272
  32. 1295029
  33. 1042590744
  34. 1030301
  35. 1030301000
  36. 988047936
  37. 1061208
  38. 988047936
  39. 1259712
  40. 941192

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